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8 commits

Author SHA1 Message Date
Matthew Waters
a26b363d3e closedcaption: produce valid cea608 padding by default 
Cea608 (valid) padding removal is available on the input side of ccconverter
or configurable on cccombiner.  cccombiner can now configure whether
valid or invalid cea608 padding is used and for valid padding, how long
after valid non-padding to keep sending valid padding.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6300>
 2024-03-12 02:49:01 +00:00
Vivia Nikolaidou
dd00dab5e9 ccutils: Add padding also for ccp data 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5423>
 2023-11-08 10:06:45 +00:00
Matthew Waters
21b232ce30 closedcaption: write 0x00 padding instead of 0x80 in cc_data/cdp 
Depending on the exact output format, 0x00 may be a better default for
padding than 0x80.  0x00 is the recommended padding value when used in
CDP (and cc_data) but is not when used in s334-1a.  See CTA-708-E 4.3.5
amd SMPTE 334-1-2007 5.3.2.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4578>
 2023-05-10 00:52:01 +00:00
Matthew Waters
e2ff6b61ce cccombiner: initial implementation of using CCBuffer helper 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3211>
 2022-11-10 00:52:14 +00:00
Matthew Waters
088597b430 closedcaption: move CC buffering to helper object 
Move most of the interesting code from ccconverter to this new helper
object.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3211>
 2022-11-10 00:52:14 +00:00
Matthew Waters
06a20f9243 closedcaption: move cdp->cc_data into shared location 
So it can be used by both ccconverter and cccombiner

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3211>
 2022-11-10 00:52:14 +00:00
Matthew Waters
fde92ec43f closedcaption: move cc_data->cdp to shared file 
Used by both ccconverter and cccombiner

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3211>
 2022-11-10 00:52:14 +00:00
Matthew Waters
067185e7da closedcaption: move cdp framerate table to common file 
shared by both cccombiner and ccconverter

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3211>
 2022-11-10 00:52:14 +00:00